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| Case study on verification of temperature calibration capability of digital temperature and humidity meter |
| Yan Min, Li Yinyan, Yu Qianxian, Liu Xilin |
| Guangxi Zhuang Autonomous Region Meteorological Technology Equipment Center, Nanning 530022 |
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Abstract In order to obtain recognition from the China National Accreditation Service for Conformity Assessment (CNAS) for the temperature calibration capability of a calibration laboratory,the applying laboratory must complete a temperature calibration capability verification and obtain satisfactory results.The application laboratory shall submit a temperature measurement audit application to the leading laboratory recognized by CNAS,and both parties shall implement the capability verification plan in accordance with JJF10762020 Calibration Specification for Digital Temperaturehygrometers.The leading laboratory completes the evaluation of the technical capability level of the applied laboratory through measurement data and extended uncertainty analysis.The results of this measurement audit are satisfactory,providing technical support for the smooth approval by CNAS.
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Received: 19 October 2024
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2025, Vol. 42 
